Artificial Radioactivity Produced by Neutron Bombardment Fermi, E. ; Amaldi, E. ; D'Agostino, O. ; Rasetti, F. ; Segre, E. Abstract Publication: Proceedings of the Royal Society of London Series A Pub Date: September 1934 DOI: 10.1098/rspa.1934.0168 Bibcode: 1934RSPSA.146..483F